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Submission #30502

# Submission time Handle Problem Language Result Execution time Memory
30502 2017-07-24T08:23:09 Z zoomswk Aliens (IOI16_aliens) C++14
0 / 100
 0 ms 4796 KB 
#include "aliens.h"
#include <bits/stdc++.h>
using namespace std;

vector<pair<int, int>> p;
int L[100005], R[100005];
long long dp[505][505];

long long take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> c){
    for(int i=0; i<n; i++) p.push_back({min(r[i], c[i]), -max(r[i], c[i])});
    sort(p.begin(), p.end());
    int N=1, tmp_mx=-1;
    for(int i=0; i<n; i++){
        if(-p[i].second > tmp_mx){
            L[N] = p[i].first, R[N] = -p[i].second;
            tmp_mx = -p[i].second;
            N++;
        }
    }
    N--;
    for(int i=1; i<=N; i++){
        dp[i][0] = 1e18;
        for(int j=1; j<=k; j++){
            dp[i][j] = 1e18;
            for(int x=1; x<=i; x++){
                dp[i][j] = min(dp[i][j], dp[x-1][j-1]+1LL*(R[i]-L[x]+1)*(R[i]-L[x]+1)-(j > 1 ? 1LL*(R[x-1]-L[x]+1)*(R[x-1]-L[x]+1): 0LL));
            }
        }
    }
    return dp[N][k];
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4796 KB Correct answer: answer = 4
2 Incorrect 0 ms 4796 KB Wrong answer: output = 3, expected = 4
3 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4796 KB Correct answer: answer = 1
2 Correct 0 ms 4796 KB Correct answer: answer = 4
3 Incorrect 0 ms 4796 KB Wrong answer: output = 0, expected = 1
4 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4796 KB Correct answer: answer = 4
2 Incorrect 0 ms 4796 KB Wrong answer: output = 3, expected = 4
3 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4796 KB Correct answer: answer = 4
2 Incorrect 0 ms 4796 KB Wrong answer: output = 3, expected = 4
3 Halted 0 ms 0 KB -

Subtask #5
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4796 KB Correct answer: answer = 4
2 Incorrect 0 ms 4796 KB Wrong answer: output = 3, expected = 4
3 Halted 0 ms 0 KB -

Subtask #6
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4796 KB Correct answer: answer = 4
2 Incorrect 0 ms 4796 KB Wrong answer: output = 3, expected = 4
3 Halted 0 ms 0 KB -